March weather forecast
Saint Mary's, AK

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Weather in March

March, the first month of the spring in Saint Mary's, is also a subzero cold month, with an average temperature ranging between min 5.7°F (-14.6°C) and max 18°F (-7.8°C).

Temperature

March's arrival brings an average high-temperature of a still subzero cold 18°F (-7.8°C), demonstrating subtle variation from the preceding month. Throughout March, the average low-temperature dips to an extreme cold 5.7°F (-14.6°C).

Humidity

January through March and December, with an average relative humidity of 91%, are the most humid months.

Rainfall

In Saint Mary's, in March, during 2.9 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Saint Mary's, in March, snow falls for 9.3 days, with typically accumulated 2.95" (75mm) of snow. Throughout the year, in Saint Mary's, there are 71.4 snowfall days, and 22.72" (577mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 53min.
On the first day of the month, sunrise is at 8:51 am and sunset at 7:17 pm AKST. On the last day of March, in Saint Mary's, sunrise is at 8:14 am and sunset at 9:39 pm AKDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from AKDT to AKST.

Sunshine

The average sunshine in March in Saint Mary's, Alaska, is 4.8h.

UV index

The months with the lowest UV index in Saint Mary's are March, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 1 in March transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

How cold is it in Saint Mary's in March?

During March, Saint Mary's experiences an average high-temperature of 18°F (-7.8°C) and a low-temperature of 5.7°F (-14.6°C).

What is the most humid month in Saint Mary's?

January through March and December, with an average relative humidity of 91%, are most humid months in Saint Mary's.

What is the average humidity in March in Saint Mary's?

The average relative humidity in March is 91%.

How many days does it rain in March in Saint Mary's?

In Saint Mary's, during March, the rain falls for 2.9 days and regularly aggregates up to 0.94" (24mm) of precipitation.

How many days does it snow in March in Saint Mary's?

In March, it is snowing for 9.3 days. Throughout March, 2.95" (75mm) of snow is accumulated.

What is the average length of the day in March in Saint Mary's?

The average day length in March is 11h and 53min.

What time are sunrise and sunset in March in Saint Mary's?

On the first day of March in Saint Mary's, sunrise is at 8:51 am and sunset at 7:17 pm AKST. On the last day of the month, sunrise is at 8:14 am and sunset at 9:39 pm AKDT.

When does Daylight Saving Time (DST) start in March in Saint Mary's?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Saint Mary's, and the time zone changes from AKST to AKDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How many hours of sunshine does Saint Mary's have in March?

In March, the average sunshine duration in Saint Mary's is 4.8h.

What are the months with the lowest UV index in Saint Mary's?

The months with the lowest UV index in Saint Mary's are March, November and December, with an average maximum UV index of 1.

What is the UV index reading in March in Saint Mary's?

The average daily maximum UV index in March is 1. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Saint Mary's, AK

Average temperature in March - Saint Mary
  • Average high temperature in March: 18°F

The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).

  • Average low temperature in March: 5.7°F

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).

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Average pressure in March
Saint Mary's, AK

Average pressure in March - Saint Mary
  • Average pressure in March: 29.85"Hg

The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).

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Average wind speed in March
Saint Mary's, AK

Average wind speed in March - Saint Mary
  • Average wind speed in March: 10.4mph

The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in March
Saint Mary's, AK

Average humidity in March - Saint Mary
  • Average humidity in March: 91%

The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).

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Average rainfall in March
Saint Mary's, AK

Average rainfall in March - Saint Mary
  • Average rainfall in March: 0.94"

The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").

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Average rainfall days in March
Saint Mary's, AK

Average rainfall days in March - Saint Mary
  • Average rainfall days in March: 2.9 days

The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).

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Average snowfall in March
Saint Mary's, AK

Average snowfall in March - Saint Mary
  • Average snowfall in March: 2.95"

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Saint Mary's, AK

Average snowfall days in March - Saint Mary
  • Average snowfall days in March: 9.3 days

The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in March /
Average sunshine in March
Saint Mary's, AK

Average daylight in March / Average sunshine in March - Saint Mary
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).

  • Average sunshine in March: 4h and 5min

The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

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Average sunshine days in March
Saint Mary's, AK

Average sunshine days in March - Saint Mary
  • Average sunshine days in March: 19.5 days

The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).

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Average UV index in March
Saint Mary's, AK

Average UV index in March - Saint Mary
  • Average UV index in March: 1

The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are March, November and December (UV index 1).

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Average cloud cover in March
Saint Mary's, AK

Average cloud cover in March - Saint Mary
  • Average cloud cover in March: 61

The month with the most cloud cover is July (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 54).

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Average visibility in March
Saint Mary's, AK

Average visibility in March - Saint Mary
  • Average visibility in March: 5mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).

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Saint Mary's, Alaska, USA

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